Side skirt of a truck vehicle



FIG. 1 is a FRONT AND RIGHT SIDE PERSPECTIVE view of a side skirt of a truck vehicle showing our new design;

FIG. 2 is a BOTTOM PLAN view thereof;

FIG. 3 is a TOP PLAN view thereof;

FIG. 4 is a FRONT ELEVATION view thereof;

FIG. 5 is a RIGHT SIDE ELEVATION view thereof; and,

FIG. 6 is a LEFT SIDE ELEVATION view thereof. 

CLAIM The ornamental design for a side skirt of a truck vehicle, as shown and described. 